Was this issue ever resolved? What is the current best practice for those wishing to use a priority queue with multiprocessing?
On Sunday, May 10, 2009 6:35:03 AM UTC-7, Jesse Noller wrote: > On Sat, May 9, 2009 at 6:11 PM, uuid <m8r-gqm...@mailinator.com> wrote: > > The Queue module, apparently, is thread safe, but *not* process safe. If you > > try to use an ordinary Queue, it appears inaccessible to the worker process. > > (Which, after all, is quite logical, since methods for moving items between > > the threads of the same process are quite different from inter-process > > communication.) It appears that creating a manager that holds a shared queue > > might be an option > > (http://stackoverflow.com/questions/342556/python-2-6-multiprocessing-queue-compatible-with-threads). > > Using a manager, or submitting a patch which adds priority queue to > the multiprocessing.queue module is the correct solution for this. > > You can file an enhancement in the tracker, and assign/add me to it, > but without a patch it may take me a bit (wicked busy right now). > > jesse -- http://mail.python.org/mailman/listinfo/python-list